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https://issues.apache.org/jira/browse/NETBEANS-2135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16771218#comment-16771218
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Geertjan Wielenga edited comment on NETBEANS-2135 at 2/18/19 4:48 PM:
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Been looking into this, something about the POM, that's for sure. It should
work, just not sure why. When I use the latest builds of Apache NetBeans 11
with JDK 12 rc, and create a new Maven project, with this POM and a
module-info.java, everything is fine. Maybe try to set the below up yourself
and confirm (in 10 is also fine with JDK 11 is also fine, then put 11 below
where I have 12) and I'll continue to investigate.
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>com.mycompany</groupId>
<artifactId>Test123</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
</plugins>
</build>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>12</maven.compiler.source>
<maven.compiler.target>12</maven.compiler.target>
</properties>
</project>
was (Author: geertjanwielenga):
Been looking into this, something about the POM, that's for sure. It should
work, just not sure why. When I use the latest builds of Apache NetBeans 11
with JDK 12 rc, and create a new Maven project, with this POM and a
module-info.java, everything is fine. Maybe try to set the below up yourself
and confirm (in 10 is also fine with JDK 11 is also fine, then put 11 below
where I have 12) and I'll continue to investigate.
{{<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>com.mycompany</groupId>
<artifactId>Test123</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
</plugins>
</build>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>12</maven.compiler.source>
<maven.compiler.target>12</maven.compiler.target>
</properties>
</project>}}
> False positive error messages
> -----------------------------
>
> Key: NETBEANS-2135
> URL: https://issues.apache.org/jira/browse/NETBEANS-2135
> Project: NetBeans
> Issue Type: Bug
> Affects Versions: 10.0
> Environment: Apache NetBeans IDE 10.0 (Build
> incubator-netbeans-release-380-on-20181217)
> OpenJDK Runtime Environment 11.0.2+7
> Reporter: Björn Raupach
> Priority: Major
>
> I am experiencing false positive parser error messages in the Java editor
> when working on a Java Maven project.
> I can check out the project, compile it and run alle Unit tests, but the
> editor lists many errors.
> * modules are not supported in -source 8 (use -source 9 or higher to enable
> modules)
> * package X does not exist
> * cannot access java.lang Fatal Error: Unable to find java.lang in classpath
> or bootclasspath
> * cannot find symbol
> It is easy to reproduce. Just check out the GitHub project ThreeTen-Extra and
> open the directory with NetBeans.
> Here is the link to the original GitHub issue:
> https://github.com/ThreeTen/threeten-extra/issues/124
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